| Patents for C12P 17 - Preparation of heterocyclic carbon compounds with only o, n, s, se, or te as ring hetero atoms (13,366) |
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| 06/19/1990 | US4935531 Antiparasitic |
| 06/19/1990 | US4935529 Cytoxic substances from the marine cyanophyte hormothamnion enteromorphoides grunow |
| 06/19/1990 | US4935415 Bactericides, anticarcinogenic agents |
| 06/19/1990 | US4935362 BMY-28121, a new antitumor antibiotic |
| 06/19/1990 | US4935359 Fermentation process |
| 06/13/1990 | EP0372891A2 Optically active compounds and a process for producing these compounds |
| 06/12/1990 | US4933290 Reacting with an ester, acid, or anhydride in the presence of a lipase immobilized on a porous carrier |
| 06/06/1990 | EP0371762A2 New platelet activating factor antagonists, named "the phomactins", their preparation and use |
| 06/06/1990 | EP0371568A1 Process for producing gamma-lactones |
| 06/05/1990 | US4931399 Process for preparing optically-active glycerol ketal derivatives |
| 05/31/1990 | DE3938754A1 New macrocyclic cpds. and metabolites - derived from Streptomyces tsukubaensis, useful as immunosuppressants and antiinflammatory agents |
| 05/29/1990 | US4929611 Method for immunosuppression |
| 05/29/1990 | US4929551 Process for producing L(-)-tetrahydrofolic acid |
| 05/28/1990 | CA2003956A1 New platelet activating factor antagonists, named "the phomactins", their preparation and use |
| 05/23/1990 | EP0369502A2 Anthelmintic bioconversion products |
| 05/23/1990 | EP0368953A1 Method and microorganism for the production of faeriefungin |
| 05/22/1990 | US4927507 Antibiotic intermediate |
| 05/08/1990 | US4923990 Pyrindamycins A and B and duocarmycin A antibiotics derived from certain streptomyces culture |
| 05/08/1990 | US4923810 Fractionation of enzyme into adsorbed and nonadsorbed portions |
| 05/08/1990 | US4923403 Cultivating rhodococcus mutant on steroid-containing medium to produce pharmaceutical precursor |
| 05/03/1990 | WO1990004643A1 Process for preparing optically active glycidate esters |
| 05/02/1990 | EP0366060A1 Glycosidase inhibitor salbostatin, method for its production and its use |
| 05/02/1990 | CN1041785A Method for preparing optically active 3-phenylglycidic acid esters |
| 04/25/1990 | EP0365329A2 Antibiotics active against Anaerobic Bacteria, their production and use, and strains of Enterobacter producing the same |
| 04/25/1990 | EP0365088A2 Anthelmintic bioconversion products |
| 04/24/1990 | US4920050 Fermentation of streptomyces; animal growth regulator; treatment and prevention of diarrhea |
| 04/19/1990 | WO1990004034A1 Increased rubradirin yields |
| 04/19/1990 | WO1990004029A1 Melanin production |
| 04/18/1990 | EP0363792A1 Melanin production |
| 04/17/1990 | US4918100 CL-1957B antibiotic compound and its production |
| 04/17/1990 | US4918011 Enzymatic preparation of 3',4'-anhydrovinblastine |
| 04/17/1990 | CA1267858A1 Microorganism immobilization |
| 04/11/1990 | EP0362556A1 Method for preparing optically active 3-phenylglycidic acid esters |
| 04/10/1990 | US4916138 Solid dispersion composition of FR-900506 substance |
| 04/10/1990 | US4916068 Bioconversion production of ascorbic acid with L-galactono-1,4-oxidase |
| 04/10/1990 | US4916065 BU-3420T Antitumor antibiotic |
| 04/03/1990 | US4914216 Amycin and its derivatives, a process for their preparation, and their use |
| 03/27/1990 | US4912215 Q-1047 Substances |
| 03/27/1990 | US4912133 BU-3862T antitumor antibiotic |
| 03/27/1990 | US4912132 Novel substances KS-504a, KS-504b, KS-504d and KS-504e and process for their preparation |
| 03/22/1990 | WO1990002727A1 Immunosuppressant |
| 03/21/1990 | CN1007267B Process for preparing antibiotic 6270 |
| 03/21/1990 | CN1007266B Method for making medication of resistance to parositic disease |
| 03/20/1990 | US4910138 Culture medium containing phytohormone |
| 03/14/1990 | EP0358606A2 Microbiological method for the preparation of agrochemically useful macrocyclic lactone derivatives with a microbicidal activity |
| 03/14/1990 | EP0358508A2 Novel immunosuppressant compound |
| 03/14/1990 | EP0358418A1 Cyclic peptide, its preparation and its use in the treatment of cardiovascular disorders |
| 03/14/1990 | EP0216731B1 Macrocyclic antibiotics |
| 03/13/1990 | US4908316 Biologically pure culture |
| 03/12/1990 | EP0264429A4 ENZYMATIC PROCESS FOR PREPARING OPTICALLY-ACTIVE 1,2-DIHYDRO-3H-PYRROLO 1,2a]PYRROLE-1-CARBOXYLIC ACID DERIVATIVES. |
| 03/08/1990 | WO1990002192A1 Method of catalyzing stereochemical reactions |
| 03/07/1990 | EP0357009A2 Method of resolution of hydroxy-cyclopentenones using a lipase and transacylation agents |
| 03/07/1990 | EP0356934A2 Process for producing L(-)tetrahydrofolic acid |
| 03/06/1990 | US4906452 Trichothecene conjugates and methods of use |
| 02/28/1990 | EP0356291A1 Process for the microbiological production of gamma-decalactone (R) and gamma-octalactone (R) |
| 02/27/1990 | US4904590 Antibiotic A80915 and process for its production |
| 02/27/1990 | CA1266248A1 Method and apparatus for resolution of stereoisomers in multiphase and extractive membrane reactors |
| 02/22/1990 | WO1990001554A1 Process for producing tocopherols |
| 02/22/1990 | DE3827263A1 Use of vulgamycins as herbicides and a process for their preparation |
| 02/14/1990 | EP0354529A2 Chiral hydroxycarboxylic acids from prochiral diols |
| 02/08/1990 | DE3826041A1 Process for the preparation of quinolinic acid |
| 02/08/1990 | DE3826040A1 Process for the preparation of quinolinic acid |
| 02/07/1990 | EP0354000A2 Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products |
| 02/07/1990 | EP0353959A2 Antihelmintic macrolide antibiotics |
| 02/07/1990 | EP0353827A2 New immunosuppressant-producing culture |
| 02/07/1990 | EP0353678A2 FR-901154 and FR-901155 substances, a process for their production |
| 02/07/1990 | EP0353381A2 Antibiotic LL-E19085 Alpha |
| 02/06/1990 | US4898822 Process for preparing optically active indoline-2-carboxylic acid |
| 02/06/1990 | US4898821 Cultivation of streptomyces |
| 02/06/1990 | US4898817 Microorganism immobilization |
| 01/31/1990 | EP0352299A1 Rubradirin derivatives for treatment of hiv infection |
| 01/30/1990 | US4897351 Process of selective bioconversion of isosorbitol dinitrate |
| 01/30/1990 | US4897104 Cornexistin; plant growth regulators |
| 01/24/1990 | EP0351865A2 DC-89 compounds and process for their preparation |
| 01/23/1990 | CA1264691A1 Antibiotic crisamicin a and compositions thereof |
| 01/17/1990 | EP0350623A2 BU-3420T antitumor antibiotic |
| 01/17/1990 | CN1038838A 聚醚抗菌素 Polyether antibiotic |
| 01/17/1990 | CN1038751A Preparation of riboflavin, produced by microbial method, in form of spray-dried granules or microgranules |
| 01/16/1990 | US4894370 Compositions having fermentation analogs of virginiamycin M1 as active ingredient |
| 01/16/1990 | US4894366 Autoimmune disease, infections, microbiocides |
| 01/16/1990 | US4894336 Cultures, microorganisms, hydrolytic enzymes |
| 01/10/1990 | EP0350187A2 Antiparasitic agents |
| 01/03/1990 | EP0349121A2 Method for producing clavulanic acid |
| 01/03/1990 | EP0349061A2 Immunosuppressant agent |
| 01/03/1990 | EP0349049A2 Immunosuppressant compound |
| 01/03/1990 | EP0349047A2 Treatment of diabetic ketoacidosis |
| 01/03/1990 | EP0348901A2 Process for producing optically active alfa-substituted organic acid and microorganism and enzyme used therefor |
| 01/03/1990 | EP0348494A1 Dioxetanes for use in assays. |
| 01/03/1990 | EP0189430B1 Process for the production of festuclavin |
| 12/20/1989 | CN1038101A New technology for water extraction of refamycin |
| 12/19/1989 | US4888281 Method of catalyzing chemical reactions |
| 12/14/1989 | WO1989012105A1 Acidic polycyclic ether antibiotic having anticoccidial and growth promotant activity |
| 12/14/1989 | WO1989012104A1 Process for the preparation of gamma and delta lactones |
| 12/13/1989 | EP0345717A2 Process for producing microbially prepared riboflavin in the form of spray or micro granulates |
| 12/13/1989 | EP0345658A2 Processes for preparing a biocatalyst and its use in the separation of racemic mixtures |
| 12/12/1989 | US4886830 Parasiticides |
| 12/12/1989 | US4886796 Immunoregulation |
| 12/12/1989 | US4886750 Process for the preparation of a pharmaceutically active compound in a stereospecific form of the formula |
| 12/06/1989 | EP0345078A2 Macrolide compounds |
| 12/06/1989 | EP0344937A2 Production of a deoxyribonucleoside |